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Finding the Fourth Proportional to 2,684.92, 4,044.30 and 2,520.90

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Solution

The fourth proportional to 2,684.92, 4,044.30 and 2,520.90 is: 3,797.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.92 : 4,044.30 = 2,520.90 : x
  2. Step 2: Convert to fraction form
    2,684.92/4,044.30 = 2,520.90/x
  3. Step 3: Cross multiply
    2,684.92x = 4,044.30 × 2,520.90
  4. Step 4: Simplify right side
    2,684.92x = 10,195,275.87
  5. Step 5: Solve for x
    x = 10,195,275.87/2,684.92
  6. Step 6: Final answer
    x = 3,797.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.